/**
 * UpdateStudentServlet.java
 */
package pers.gs.servlet;

import pers.gs.Entity.Student;
import pers.gs.service.IStudentService;
import pers.gs.service.Impl.StudentServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(urlPatterns = "/UpdateStudentServlet")
public class UpdateStudentServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request,response);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        request.setCharacterEncoding("utf-8");

        String sno = request.getParameter("usno");
        String name = request.getParameter("uname");
        int age = Integer.parseInt(request.getParameter("uage"));
        String gender = request.getParameter("ugender");
        Student student = new Student(sno,name,age,gender);

        IStudentService studentServiceImpl = new StudentServiceImpl();
        boolean result = studentServiceImpl.updateStudentBySno(sno,student);

        response.setContentType("text/html;charset=UTF-8");
        response.setCharacterEncoding("utf-8");

        if (result){
//            response.getWriter().println("修改成功");
            response.sendRedirect("QueryAllStudentServlet");
        }else {
            response.getWriter().println("修改失败");
        }
    }
}
